If you want something long lived go small. The general rule of thumb is the smaller the dog, the longer the live. Chihuahua's can live well into their teens, like 17, 18, 19 year. The bigger breeds like St. Bernards, Great Danes and Mastiffs have live expectances of 7 to 9 years.

If you want something long lived go small. The general rule of thumb is the smaller the dog, the longer the live. Chihuahua's can live well into their teens, like 17, 18, 19 year. The bigger breeds like St. Bernards, Great Danes and Mastiffs have live expectances of 7 to 9 years.

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For me, the 'general rule of thumb' would be, to purchase from a reputable breeder, and all around vet care.

I've known many large breeds, who have lived to the 15-17-year age. Ive also known many small breeds pass before their 4th Birthday. There is no guarantee, but you certainly have a better chance, at a healthy life, with any breed, if you do your homework, and regular vet care.

I have a beagle and a basset so I am considering adopting/rescue a bagel (beagle/basset mix) or maybe a bloodhound. I know I could handle the bagel fine and my husband is a bit weary over the size of a bloodhound. More research needs to be done on the bloodhound before a decision will be made.

I just love hound dogs even though they can be a bit trying at times-LOL! Can't beat that let's always be happy and go for a walk attitude.

Saint Bernard. I would love to have one. When hubby and I build our new house (within 5 years) I think I am going to buy/adopt one. Our house now would be way too small for one along with the weimaraner, siberian husky, and golden retriever we have now (oh yeah and add in the 3 kids, 2 cats and hubby we live in a zoo!!)